A metal A, which is used in thermite process, when heated with oxygen gives an oxide B, which is amphoteric in nature. Identify A and B. Write down the reactions of oxide B with HCl and NaOH.
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Soln:
Metal A is Aluminium and B is Al2O3
With HCl
Al2O3+ 6HCl 2AlCl3+3H2O
With NaOH
Al2O3+2NaOH 2NaAlO2+H2O